B
▪ back-arc basin ▪ Baltica ▪ banded (ribbon) vein ▪ basalt ▪ basaltic breccia ▪ batholith ▪ blended unconformity ▪ boudin (vein) ▪ boudin, boudinage ▪ breccia ▪ bysmalith ▪
Definitions and images to illustrate geological terms, links to images and website articles